Home / Standards / GB/T 18948 GB/T 18948 Active Rubber hoses and tubing for cooling systems for automotives—Specification 汽车冷却系统用橡胶软管和纯胶管 规范 Standard Type GBT ICS 43.040.01;83.140.40 CCS G42 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit 中国石油和化学工业联合会